PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12883Angle,structural

Aluminum Co of America · NSN 9540-00-145-4543 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-145-4543 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-145-4543. Primary manufacturer part number: 12883.
Features
  • Angle,structural — FSC 9540
  • Second Tip Radius: 0.063 INCHES NOMINAL IN
  • Second Tip Style: UPPER RADIUS
  • Material: ALUMINUM ALLOY 2024
  • Nondefinitive Spec/std Data: T4 TEMPER
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • First Tip Radius: 0.063 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-145-4543, is classified within Federal Supply Class 9540 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Aluminum Co of America. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-145-4543
Primary Part Number12883
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
Second Tip Radius0.063 INCHES NOMINAL IN
Second Tip StyleUPPER RADIUS
MaterialALUMINUM ALLOY 2024
Nondefinitive Spec/std DataT4 TEMPER
Left Inside Angle90.0 DEGREES NOMINAL
First Tip Radius0.063 INCHES NOMINAL IN
Basic Shape StyleANGLE
Left Side Flange Thickness0.051 INCHES NOMINAL IN
Weight Per Unit Measure0.080 POUNDS PER LINEAR FOOT LBS
Second Tip Relationship to First TipNOT IDENTICAL
Base Flange Thickness0.051 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Fillet Radius Where Left Flange Joins Base Flange0.063 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Material Document and ClassificationQQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
Heat TreatmentT-4 SOLUTION HEAT TREATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5660-00-113-13176028 INTERCHANGEABLE
Base,barbed Wire Extension Arm
Merchants Metals Inc Midwest Div
5305-00-135-097421515 INTERCHANGEABLE
Screw,shoulder
Aerosonic Llc
5815-00-309-3878 INTERCHANGEABLE
Roller,paper
5999-00-321-002052122 INTERCHANGEABLE
Contact,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
2040-00-385-931721515 INTERCHANGEABLE
Control
Industrial Technologies and Services Llc
5365-00-422-28461288-3 INTERCHANGEABLE
Shim
Mid-Continent Instrument Co Inc
6685-00-567-600321-515 INTERCHANGEABLE
Frame Assy,movement
Horizon Aerospace Llc Dba Magnetics Division
2940-00-986-027651515 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5940-00-988-0317AA59125/238TB14 INTERCHANGEABLE
Terminal Board
Sunnen Products Co
2920-01-036-750512309000 INTERCHANGEABLE
Parts Kit,ignition Distributor
Borgwarner Pds (anderson), L.l.c.
Cross-Reference Index
Part NumberManufacturer
12883 Aluminum Co of America (USA)
52122 International Light Metals Corp Sub of Martin Marietta Corp (USA)
LS3458 Lockheed Martin Corp (USA)
E121001 Bae Systems Technology Solutions & Services Inc. (USA)
2-1515 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
E121001 Tracor Flight Systems Inc Sub of Tracor Inc (USA)
179364 The Boeing Company (USA)
E121001 General Dynamics Corp Convair Div Lindbergh Field Facility (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
179364 The Boeing Company (USA)
1M214 The Boeing Company Div Defense (USA)
E121001 Hughes Missile Systems Co San Diego (USA)
Related Parts
5660-00-113-1317INTERCHANGEABLE
BASE,BARBED WIRE EXTENSION ARM
6028
5305-00-135-0974INTERCHANGEABLE
SCREW,SHOULDER
21515
5815-00-309-3878INTERCHANGEABLE
ROLLER,PAPER
5999-00-321-0020INTERCHANGEABLE
CONTACT,ELECTRICAL
52122
2040-00-385-9317INTERCHANGEABLE
CONTROL
21515
5365-00-422-2846INTERCHANGEABLE
SHIM
1288-3
6685-00-567-6003INTERCHANGEABLE
FRAME ASSY,MOVEMENT
21-515
2940-00-986-0276INTERCHANGEABLE
FILTER ELEMENT,FLUID
51515
5940-00-988-0317INTERCHANGEABLE
TERMINAL BOARD
AA59125/238TB14
2920-01-036-7505INTERCHANGEABLE
PARTS KIT,IGNITION DISTRIBUTOR
12309000
9540-01-071-4713INTERCHANGEABLE
ANGLE,STRUCTURAL
5998-01-072-2466INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 9540-00-145-4543?

NSN 9540-00-145-4543 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-145-4543?

NSN 9540-00-145-4543 has 12 cross-referenced part numbers: 12883 (Aluminum Co of America), 52122 (International Light Metals Corp Sub of Martin Marietta Corp), LS3458 (Lockheed Martin Corp), E121001 (Bae Systems Technology Solutions & Services Inc.), 2-1515 (Lockheed Martin Corporation Div Rotary and Mission Systems) and 7 more.

What NSN replaces 9540-00-145-4543?

There are 12 known substitutes for 9540-00-145-4543: 5660-00-113-1317, 5305-00-135-0974, 5815-00-309-3878 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12883?

Key specifications for 12883: Second Tip Radius: 0.063 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN; Second Tip Style: UPPER RADIUS; Material: ALUMINUM ALLOY 2024. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com